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152171120 = 24529107613
BaseRepresentation
bin10010001000111…
…11001001110000
3101121100002112102
421010133021300
5302423433440
623033315532
73525301403
oct1104371160
9347302472
10152171120
1178995462
1242b65ba8
13256ac1aa
14162d1d3a
15d55cb15
hex911f270

152171120 has 80 divisors (see below), whose sum is σ = 370020960. Its totient is φ = 58125312.

The previous prime is 152171099. The next prime is 152171147. The reversal of 152171120 is 21171251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 152171092 and 152171101.

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, 247934 + ... + 248546.

It is an arithmetic number, because the mean of its divisors is an integer number (4625262).

Almost surely, 2152171120 is an apocalyptic number.

152171120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152171120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185010480).

152171120 is an abundant number, since it is smaller than the sum of its proper divisors (217849840).

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

152171120 is a wasteful number, since it uses less digits than its factorization.

152171120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 152171120 is about 12335.7658862350. The cubic root of 152171120 is about 533.8805252030.

The spelling of 152171120 in words is "one hundred fifty-two million, one hundred seventy-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 107 116 145 214 232 290 428 464 535 580 613 856 1070 1160 1226 1712 2140 2320 2452 3065 3103 4280 4904 6130 6206 8560 9808 12260 12412 15515 17777 24520 24824 31030 35554 49040 49648 62060 65591 71108 88885 124120 131182 142216 177770 248240 262364 284432 327955 355540 524728 655910 711080 1049456 1311820 1422160 1902139 2623640 3804278 5247280 7608556 9510695 15217112 19021390 30434224 38042780 76085560 152171120