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107491557 = 383431693
BaseRepresentation
bin1100110100000…
…11000011100101
321111021010200210
412122003003211
5210004212212
614355530033
72443443315
oct632030345
9244233623
10107491557
1155748aa8
122bbb9919
1319367694
14103c1445
15968453c
hex66830e5

107491557 has 8 divisors (see below), whose sum is σ = 145049184. Its totient is φ = 70797488.

The previous prime is 107491541. The next prime is 107491609. The reversal of 107491557 is 755194701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107491557 - 24 = 107491541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107491457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215598 + ... + 216095.

It is an arithmetic number, because the mean of its divisors is an integer number (18131148).

Almost surely, 2107491557 is an apocalyptic number.

It is an amenable number.

107491557 is a deficient number, since it is larger than the sum of its proper divisors (37557627).

107491557 is an equidigital number, since it uses as much as digits as its factorization.

107491557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431779.

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 107491557 is about 10367.8135110543. The cubic root of 107491557 is about 475.4718222225.

The spelling of 107491557 in words is "one hundred seven million, four hundred ninety-one thousand, five hundred fifty-seven".

Divisors: 1 3 83 249 431693 1295079 35830519 107491557