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100072960 = 295133197
BaseRepresentation
bin1011111011011…
…11111000000000
320222022020021221
411331233320000
5201104313320
613532524424
72323414621
oct575577000
9228266257
10100072960
1151541329
1229620714
131796aa90
14d40da48
158bbb3aa
hex5f6fe00

100072960 has 160 divisors (see below), whose sum is σ = 269482752. Its totient is φ = 35389440.

The previous prime is 100072949. The next prime is 100072961. The reversal of 100072960 is 69270001.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100072961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031632 + ... + 1031728.

Almost surely, 2100072960 is an apocalyptic number.

100072960 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 100072960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134741376).

100072960 is an abundant number, since it is smaller than the sum of its proper divisors (169409792).

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

100072960 is an equidigital number, since it uses as much as digits as its factorization.

100072960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 100072960 is about 10003.6473348474. The cubic root of 100072960 is about 464.2717393596.

The spelling of 100072960 in words is "one hundred million, seventy-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 97 104 124 128 130 155 160 194 208 248 256 260 310 320 388 403 416 485 496 512 520 620 640 776 806 832 970 992 1040 1240 1261 1280 1552 1612 1664 1940 1984 2015 2080 2480 2522 2560 3007 3104 3224 3328 3880 3968 4030 4160 4960 5044 6014 6208 6305 6448 6656 7760 7936 8060 8320 9920 10088 12028 12416 12610 12896 15035 15520 15872 16120 16640 19840 20176 24056 24832 25220 25792 30070 31040 32240 33280 39091 39680 40352 48112 49664 50440 51584 60140 62080 64480 78182 79360 80704 96224 100880 103168 120280 124160 128960 156364 161408 192448 195455 201760 206336 240560 248320 257920 312728 322816 384896 390910 403520 481120 515840 625456 645632 769792 781820 807040 962240 1031680 1250912 1539584 1563640 1614080 1924480 2501824 3127280 3228160 3848960 5003648 6254560 7697920 10007296 12509120 20014592 25018240 50036480 100072960