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107155253 = 472279899
BaseRepresentation
bin1100110001100…
…00111100110101
321110122001101002
412120300330311
5204412432003
614344413045
72440542662
oct630607465
9243561332
10107155253
1155539367
122ba77185
131927a59a
1410334a69
159619a88
hex6630f35

107155253 has 4 divisors (see below), whose sum is σ = 109435200. Its totient is φ = 104875308.

The previous prime is 107155211. The next prime is 107155273. The reversal of 107155253 is 352551701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352551701 = 1129312269.

It is a cyclic number.

It is not a de Polignac number, because 107155253 - 214 = 107138869 is a prime.

It is a super-2 number, since 2×1071552532 = 22964496490988018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107155273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139903 + ... + 1139996.

It is an arithmetic number, because the mean of its divisors is an integer number (27358800).

Almost surely, 2107155253 is an apocalyptic number.

It is an amenable number.

107155253 is a deficient number, since it is larger than the sum of its proper divisors (2279947).

107155253 is an equidigital number, since it uses as much as digits as its factorization.

107155253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279946.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 107155253 is about 10351.5821496040. The cubic root of 107155253 is about 474.9754417589.

The spelling of 107155253 in words is "one hundred seven million, one hundred fifty-five thousand, two hundred fifty-three".

Divisors: 1 47 2279899 107155253