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107403257 = 1319434831
BaseRepresentation
bin1100110011011…
…01011111111001
321111002122120102
412121231133321
5204443401012
614354005145
72442625013
oct631553771
9244078512
10107403257
1155698725
122bb767b5
1319336430
141039b1b3
1596682c2
hex666d7f9

107403257 has 8 divisors (see below), whose sum is σ = 121752960. Its totient is φ = 93923280.

The previous prime is 107403253. The next prime is 107403277. The reversal of 107403257 is 752304701.

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 107403257 - 22 = 107403253 is a prime.

It is a super-2 number, since 2×1074032572 = 23070919228416098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107403253) 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, 217169 + ... + 217662.

It is an arithmetic number, because the mean of its divisors is an integer number (15219120).

Almost surely, 2107403257 is an apocalyptic number.

It is an amenable number.

107403257 is a deficient number, since it is larger than the sum of its proper divisors (14349703).

107403257 is a wasteful number, since it uses less digits than its factorization.

107403257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434863.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 107403257 is about 10363.5542648263. The cubic root of 107403257 is about 475.3415928835.

Adding to 107403257 its reverse (752304701), we get a palindrome (859707958).

The spelling of 107403257 in words is "one hundred seven million, four hundred three thousand, two hundred fifty-seven".

Divisors: 1 13 19 247 434831 5652803 8261789 107403257