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157128000 = 263536547
BaseRepresentation
bin10010101110110…
…01010101000000
3101221122221002120
421113121111000
5310211044000
623331444240
73615365061
oct1127312500
9357587076
10157128000
1180770657
1244756680
1326726463
1416c22568
15dbdb6a0
hex95d9540

157128000 has 112 divisors (see below), whose sum is σ = 518915904. Its totient is φ = 41894400.

The previous prime is 157127959. The next prime is 157128053. The reversal of 157128000 is 821751.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 20727 + ... + 27273.

Almost surely, 2157128000 is an apocalyptic number.

157128000 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 157128000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259457952).

157128000 is an abundant number, since it is smaller than the sum of its proper divisors (361787904).

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

157128000 is an equidigital number, since it uses as much as digits as its factorization.

157128000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 157128000 is about 12535.0708015551. The cubic root of 157128000 is about 539.6156386926.

Adding to 157128000 its reverse (821751), we get a palindrome (157949751).

The spelling of 157128000 in words is "one hundred fifty-seven million, one hundred twenty-eight thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 750 800 960 1000 1200 1500 1600 2000 2400 3000 4000 4800 6000 6547 8000 12000 13094 19641 24000 26188 32735 39282 52376 65470 78564 98205 104752 130940 157128 163675 196410 209504 261880 314256 327350 392820 419008 491025 523760 628512 654700 785640 818375 982050 1047520 1257024 1309400 1571280 1636750 1964100 2095040 2455125 2618800 3142560 3273500 3928200 4910250 5237600 6285120 6547000 7856400 9820500 10475200 13094000 15712800 19641000 26188000 31425600 39282000 52376000 78564000 157128000