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354125990 = 25197126251
BaseRepresentation
bin10101000110111…
…000100010100110
3220200100110112102
4111012320202212
51211124012430
655050052102
711530010201
oct2506704246
9820313472
10354125990
11171993109
129a71a032
135849c20a
1435062938
1521151345
hex151b88a6

354125990 has 32 divisors (see below), whose sum is σ = 680451840. Its totient is φ = 132300000.

The previous prime is 354125939. The next prime is 354125999. The reversal of 354125990 is 99521453.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354125999) 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 15 ways as a sum of consecutive naturals, for example, 365 + ... + 26615.

It is an arithmetic number, because the mean of its divisors is an integer number (21264120).

Almost surely, 2354125990 is an apocalyptic number.

354125990 is a deficient number, since it is larger than the sum of its proper divisors (326325850).

354125990 is a wasteful number, since it uses less digits than its factorization.

354125990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26348.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 354125990 is about 18818.2355708499. The cubic root of 354125990 is about 707.4883082303.

The spelling of 354125990 in words is "three hundred fifty-four million, one hundred twenty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 38 71 95 142 190 355 710 1349 2698 6745 13490 26251 52502 131255 262510 498769 997538 1863821 2493845 3727642 4987690 9319105 18638210 35412599 70825198 177062995 354125990