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172401430 = 2517240143
BaseRepresentation
bin10100100011010…
…10001100010110
3110000101220022011
422101222030112
5323113321210
625035054434
74162250035
oct1221521426
9400356264
10172401430
1189352823
12498a141a
13299433a6
1418c7a71c
1510206d8a
hexa46a316

172401430 has 8 divisors (see below), whose sum is σ = 310322592. Its totient is φ = 68960568.

The previous prime is 172401413. The next prime is 172401443. The reversal of 172401430 is 34104271.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8620062 + ... + 8620081.

It is an arithmetic number, because the mean of its divisors is an integer number (38790324).

Almost surely, 2172401430 is an apocalyptic number.

172401430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172401430 is a deficient number, since it is larger than the sum of its proper divisors (137921162).

172401430 is a wasteful number, since it uses less digits than its factorization.

172401430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17240150.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 172401430 is about 13130.1725045789. The cubic root of 172401430 is about 556.5620900680.

The spelling of 172401430 in words is "one hundred seventy-two million, four hundred one thousand, four hundred thirty".

Divisors: 1 2 5 10 17240143 34480286 86200715 172401430