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100381152 = 25353109181
BaseRepresentation
bin1011111101110…
…11000111100000
320222212220001110
411332323013200
5201144144102
613543303320
72326140264
oct576730740
9228786043
10100381152
1151731933
122974ab40
1317a48141
14d4900a4
158c2c86c
hex5fbb1e0

100381152 has 96 divisors (see below), whose sum is σ = 272432160. Its totient is φ = 32348160.

The previous prime is 100381147. The next prime is 100381163. The reversal of 100381152 is 251183001.

It is a tau number, because it is divible by the number of its divisors (96).

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, 554502 + ... + 554682.

It is an arithmetic number, because the mean of its divisors is an integer number (2837835).

Almost surely, 2100381152 is an apocalyptic number.

100381152 is a gapful number since it is divisible by the number (12) 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 100381152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136216080).

100381152 is an abundant number, since it is smaller than the sum of its proper divisors (172051008).

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

100381152 is a wasteful number, since it uses less digits than its factorization.

100381152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 100381152 is about 10019.0394749197. The cubic root of 100381152 is about 464.7478526602.

The spelling of 100381152 in words is "one hundred million, three hundred eighty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 106 109 159 181 212 218 318 327 362 424 436 543 636 654 724 848 872 1086 1272 1308 1448 1696 1744 2172 2544 2616 2896 3488 4344 5088 5232 5777 5792 8688 9593 10464 11554 17331 17376 19186 19729 23108 28779 34662 38372 39458 46216 57558 59187 69324 76744 78916 92432 115116 118374 138648 153488 157832 184864 230232 236748 277296 306976 315664 460464 473496 554592 631328 920928 946992 1045637 1893984 2091274 3136911 4182548 6273822 8365096 12547644 16730192 25095288 33460384 50190576 100381152