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354195816 = 2331317431553
BaseRepresentation
bin10101000111001…
…001100101101000
3220200111000022120
4111013021211220
51211133231231
655051351240
711530420602
oct2507114550
9820430276
10354195816
11171a30617
129a752520
13584c4c30
1435080172
1521166d96
hex151c9968

354195816 has 128 divisors (see below), whose sum is σ = 1033845120. Its totient is φ = 100122624.

The previous prime is 354195757. The next prime is 354195817. The reversal of 354195816 is 618591453.

It is a super-3 number, since 3×3541958163 (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (354195817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227296 + ... + 228848.

It is an arithmetic number, because the mean of its divisors is an integer number (8076915).

Almost surely, 2354195816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354195816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516922560).

354195816 is an abundant number, since it is smaller than the sum of its proper divisors (679649304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354195816 is a wasteful number, since it uses less digits than its factorization.

354195816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635 (or 1631 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 354195816 is about 18820.0907542977. The cubic root of 354195816 is about 707.5348056478.

The spelling of 354195816 in words is "three hundred fifty-four million, one hundred ninety-five thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 17 24 26 34 39 43 51 52 68 78 86 102 104 129 136 156 172 204 221 258 312 344 408 442 516 559 663 731 884 1032 1118 1326 1462 1553 1677 1768 2193 2236 2652 2924 3106 3354 4386 4472 4659 5304 5848 6212 6708 8772 9318 9503 12424 13416 17544 18636 19006 20189 26401 28509 37272 38012 40378 52802 57018 60567 66779 76024 79203 80756 105604 114036 121134 133558 158406 161512 200337 211208 228072 242268 267116 316812 343213 400674 484536 534232 633624 686426 801348 868127 1029639 1135243 1372852 1602696 1736254 2059278 2270486 2604381 2745704 3405729 3472508 4118556 4540972 5208762 6811458 6945016 8237112 9081944 10417524 13622916 14758159 20835048 27245832 29516318 44274477 59032636 88548954 118065272 177097908 354195816