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170406916 = 226121072
BaseRepresentation
bin10100010100000…
…11010000000100
3102212122120100021
422022003100010
5322111010131
624524224524
74136302111
oct1212032004
9385576307
10170406916
1188210269
124909b144
13293c55c4
14188bb908
15ee60e11
hexa283404

170406916 has 27 divisors (see below), whose sum is σ = 306040917. Its totient is φ = 83023440.

The previous prime is 170406869. The next prime is 170406923. The reversal of 170406916 is 619604071.

The square root of 170406916 is 13054.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5541316 + 164865600 = 2354^2 + 12840^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1592535 + ... + 1592641.

Almost surely, 2170406916 is an apocalyptic number.

170406916 is the 13054-th square number.

It is an amenable number.

170406916 is a deficient number, since it is larger than the sum of its proper divisors (135634001).

170406916 is an equidigital number, since it uses as much as digits as its factorization.

170406916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The cubic root of 170406916 is about 554.4074686986.

The spelling of 170406916 in words is "one hundred seventy million, four hundred six thousand, nine hundred sixteen".

Divisors: 1 2 4 61 107 122 214 244 428 3721 6527 7442 11449 13054 14884 22898 26108 45796 398147 698389 796294 1396778 1592588 2793556 42601729 85203458 170406916