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10157146 = 25078573
BaseRepresentation
bin100110101111…
…110001011010
3201010000222121
4212233301122
510100012041
61001411454
7152222446
oct46576132
921100877
1010157146
11580823a
123499b8a
13214825c
1414c5826
15d597d1
hex9afc5a

10157146 has 4 divisors (see below), whose sum is σ = 15235722. Its totient is φ = 5078572.

The previous prime is 10157141. The next prime is 10157197. The reversal of 10157146 is 64175101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64175101 = 358117921.

It can be written as a sum of positive squares in only one way, i.e., 6056521 + 4100625 = 2461^2 + 2025^2 .

It is a super-2 number, since 2×101571462 = 206335229730632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10157146.

It is not an unprimeable number, because it can be changed into a prime (10157141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539285 + ... + 2539288.

Almost surely, 210157146 is an apocalyptic number.

10157146 is a deficient number, since it is larger than the sum of its proper divisors (5078576).

10157146 is an equidigital number, since it uses as much as digits as its factorization.

10157146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078575.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 10157146 is about 3187.0277689408. The cubic root of 10157146 is about 216.5661445602.

The spelling of 10157146 in words is "ten million, one hundred fifty-seven thousand, one hundred forty-six".

Divisors: 1 2 5078573 10157146