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10997157 = 331118249
BaseRepresentation
bin101001111100…
…110110100101
3202200201021010
4221330312211
510303402112
61031412433
7162321453
oct51746645
922621233
1010997157
116231366
123824119
1323806c2
1416639d3
15e7363c
hexa7cda5

10997157 has 8 divisors (see below), whose sum is σ = 15136000. Its totient is φ = 7094880.

The previous prime is 10997153. The next prime is 10997167. The reversal of 10997157 is 75179901.

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

It is not a de Polignac number, because 10997157 - 22 = 10997153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10997153) 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, 59032 + ... + 59217.

It is an arithmetic number, because the mean of its divisors is an integer number (1892000).

Almost surely, 210997157 is an apocalyptic number.

It is an amenable number.

10997157 is a deficient number, since it is larger than the sum of its proper divisors (4138843).

10997157 is a wasteful number, since it uses less digits than its factorization.

10997157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118283.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 10997157 is about 3316.1961642822. The cubic root of 10997157 is about 222.3788474806.

It can be divided in two parts, 1099 and 7157, that added together give a triangular number (8256 = T128).

The spelling of 10997157 in words is "ten million, nine hundred ninety-seven thousand, one hundred fifty-seven".

Divisors: 1 3 31 93 118249 354747 3665719 10997157