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152171190 = 23351929663
BaseRepresentation
bin10010001000111…
…11001010110110
3101121100002122000
421010133022312
5302423434230
623033320130
73525301533
oct1104371266
9347302560
10152171190
1178995516
1242b66046
13256ac232
14162d1d8a
15d55cb60
hex911f2b6

152171190 has 64 divisors (see below), whose sum is σ = 427161600. Its totient is φ = 38441952.

The previous prime is 152171179. The next prime is 152171191. The reversal of 152171190 is 91171251.

152171190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1521711902 = 46312142132032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152171191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9702 + ... + 19961.

It is an arithmetic number, because the mean of its divisors is an integer number (6674400).

Almost surely, 2152171190 is an apocalyptic number.

152171190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152171190 is an abundant number, since it is smaller than the sum of its proper divisors (274990410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152171190 is a wasteful number, since it uses less digits than its factorization.

152171190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29698 (or 29692 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 27.

The square root of 152171190 is about 12335.7687235129. The cubic root of 152171190 is about 533.8806070662.

The spelling of 152171190 in words is "one hundred fifty-two million, one hundred seventy-one thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 90 95 114 135 171 190 270 285 342 513 570 855 1026 1710 2565 5130 29663 59326 88989 148315 177978 266967 296630 444945 533934 563597 800901 889890 1127194 1334835 1601802 1690791 2669670 2817985 3381582 4004505 5072373 5635970 8009010 8453955 10144746 15217119 16907910 25361865 30434238 50723730 76085595 152171190