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361669042 = 2747549649
BaseRepresentation
bin10101100011101…
…010000110110010
3221012112200122201
4111203222012302
51220041402132
655515453414
711651064460
oct2543520662
9835480581
10361669042
11176175339
12a115726a
1359c10667
1436067830
1521b412e7
hex158ea1b2

361669042 has 16 divisors (see below), whose sum is σ = 633196800. Its totient is φ = 151702848.

The previous prime is 361669039. The next prime is 361669057. The reversal of 361669042 is 240966163.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 361668992 and 361669010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274167 + ... + 275482.

It is an arithmetic number, because the mean of its divisors is an integer number (39574800).

Almost surely, 2361669042 is an apocalyptic number.

361669042 is a deficient number, since it is larger than the sum of its proper divisors (271527758).

361669042 is a wasteful number, since it uses less digits than its factorization.

361669042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549705.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 361669042 is about 19017.5982184923. The cubic root of 361669042 is about 712.4763374516.

The spelling of 361669042 in words is "three hundred sixty-one million, six hundred sixty-nine thousand, forty-two".

Divisors: 1 2 7 14 47 94 329 658 549649 1099298 3847543 7695086 25833503 51667006 180834521 361669042