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170142470 = 25157307353
BaseRepresentation
bin10100010010000…
…10101100000110
3102212011010120222
422021002230012
5322024024340
624514424342
74134121121
oct1211025406
9385133528
10170142470
118804a613
1248b920b2
1329332124
141884d3b8
15ee0c8b5
hexa242b06

170142470 has 32 divisors (see below), whose sum is σ = 310087008. Its totient is φ = 67212288.

The previous prime is 170142437. The next prime is 170142493. The reversal of 170142470 is 74241071.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481814 + ... + 482166.

It is an arithmetic number, because the mean of its divisors is an integer number (9690219).

Almost surely, 2170142470 is an apocalyptic number.

170142470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

170142470 is a deficient number, since it is larger than the sum of its proper divisors (139944538).

170142470 is a wasteful number, since it uses less digits than its factorization.

170142470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 170142470 is about 13043.8671413044. The cubic root of 170142470 is about 554.1205344479.

The spelling of 170142470 in words is "one hundred seventy million, one hundred forty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 157 307 314 353 614 706 785 1535 1570 1765 3070 3530 48199 55421 96398 108371 110842 216742 240995 277105 481990 541855 554210 1083710 17014247 34028494 85071235 170142470