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190472 = 2329821
BaseRepresentation
bin101110100000001000
3100200021112
4232200020
522043342
64025452
71422212
oct564010
9320245
10190472
11120117
1292288
1368909
144d5b2
153b682
hex2e808

190472 has 16 divisors (see below), whose sum is σ = 369900. Its totient is φ = 91840.

The previous prime is 190471. The next prime is 190507. The reversal of 190472 is 274091.

It can be written as a sum of positive squares in 2 ways, for example, as 188356 + 2116 = 434^2 + 46^2 .

It is not an unprimeable number, because it can be changed into a prime (190471) 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, 179 + ... + 642.

2190472 is an apocalyptic number.

It is an amenable number.

190472 is a deficient number, since it is larger than the sum of its proper divisors (179428).

190472 is a wasteful number, since it uses less digits than its factorization.

190472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 190472 is about 436.4309796520. The cubic root of 190472 is about 57.5365363257.

The spelling of 190472 in words is "one hundred ninety thousand, four hundred seventy-two".

Divisors: 1 2 4 8 29 58 116 232 821 1642 3284 6568 23809 47618 95236 190472