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157007040 = 2635413989
BaseRepresentation
bin10010101101110…
…11110011000000
3101221102210011120
421112323303000
5310143211130
623325112240
73614352321
oct1126736300
9357383146
10157007040
1180698793
12446b8680
13266b3398
1416bd0448
15dbb5910
hex95bbcc0

157007040 has 112 divisors (see below), whose sum is σ = 510783840. Its totient is φ = 40837120.

The previous prime is 157007023. The next prime is 157007093. The reversal of 157007040 is 40700751.

157007040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 157007040.

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, 37366 + ... + 41354.

It is an arithmetic number, because the mean of its divisors is an integer number (4560570).

Almost surely, 2157007040 is an apocalyptic number.

157007040 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 157007040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255391920).

157007040 is an abundant number, since it is smaller than the sum of its proper divisors (353776800).

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

157007040 is a wasteful number, since it uses less digits than its factorization.

157007040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050 (or 4040 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 157007040 is about 12530.2450095758. The cubic root of 157007040 is about 539.4771344923.

Adding to 157007040 its reverse (40700751), we get a palindrome (197707791).

The spelling of 157007040 in words is "one hundred fifty-seven million, seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 64 80 82 96 120 123 160 164 192 205 240 246 320 328 410 480 492 615 656 820 960 984 1230 1312 1640 1968 2460 2624 3280 3936 3989 4920 6560 7872 7978 9840 11967 13120 15956 19680 19945 23934 31912 39360 39890 47868 59835 63824 79780 95736 119670 127648 159560 163549 191472 239340 255296 319120 327098 382944 478680 490647 638240 654196 765888 817745 957360 981294 1276480 1308392 1635490 1914720 1962588 2453235 2616784 3270980 3829440 3925176 4906470 5233568 6541960 7850352 9812940 10467136 13083920 15700704 19625880 26167840 31401408 39251760 52335680 78503520 157007040