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354441420 = 22345331661
BaseRepresentation
bin10101001000000…
…101100011001100
3220200221111020000
4111020011203030
51211214111140
655100524300
711532462624
oct2510054314
9820844200
10354441420
111720890a3
129a850690
135857c968
1435105884
15211b4a30
hex152058cc

354441420 has 120 divisors (see below), whose sum is σ = 1116942288. Its totient is φ = 94089600.

The previous prime is 354441419. The next prime is 354441469. The reversal of 354441420 is 24144453.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 535890 + ... + 536550.

Almost surely, 2354441420 is an apocalyptic number.

354441420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354441420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558471144).

354441420 is an abundant number, since it is smaller than the sum of its proper divisors (762500868).

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

354441420 is a wasteful number, since it uses less digits than its factorization.

354441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 354441420 is about 18826.6146717884. The cubic root of 354441420 is about 707.6983058178.

Adding to 354441420 its reverse (24144453), we get a palindrome (378585873).

It can be divided in two parts, 35444 and 1420, that added together give a square (36864 = 1922).

The spelling of 354441420 in words is "three hundred fifty-four million, four hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 331 405 540 661 662 810 993 1322 1324 1620 1655 1983 1986 2644 2979 3305 3310 3966 3972 4965 5949 5958 6610 6620 7932 8937 9915 9930 11898 11916 13220 14895 17847 17874 19830 19860 23796 26811 29745 29790 35694 35748 39660 44685 53541 53622 59490 59580 71388 89235 89370 107082 107244 118980 134055 178470 178740 214164 218791 267705 268110 356940 437582 535410 536220 656373 875164 1070820 1093955 1312746 1969119 2187910 2625492 3281865 3938238 4375820 5907357 6563730 7876476 9845595 11814714 13127460 17722071 19691190 23629428 29536785 35444142 39382380 59073570 70888284 88610355 118147140 177220710 354441420