Search a number
-
+
72969204 = 223711157503
BaseRepresentation
bin1000101100101…
…10101111110100
312002022012221010
410112112233310
5122140003304
611123552220
71544141130
oct426265764
9162265833
1072969204
1138209930
122052b670
131216b159
1499963c0
156615789
hex4596bf4

72969204 has 96 divisors (see below), whose sum is σ = 214050816. Its totient is φ = 18794880.

The previous prime is 72969203. The next prime is 72969229. The reversal of 72969204 is 40296927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72969203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144817 + ... + 145319.

It is an arithmetic number, because the mean of its divisors is an integer number (2229696).

Almost surely, 272969204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72969204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107025408).

72969204 is an abundant number, since it is smaller than the sum of its proper divisors (141081612).

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

72969204 is a wasteful number, since it uses less digits than its factorization.

72969204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 72969204 is about 8542.2013556226. The cubic root of 72969204 is about 417.8751410842.

The spelling of 72969204 in words is "seventy-two million, nine hundred sixty-nine thousand, two hundred four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 157 231 308 314 462 471 503 628 924 942 1006 1099 1509 1727 1884 2012 2198 3018 3297 3454 3521 4396 5181 5533 6036 6594 6908 7042 10362 10563 11066 12089 13188 14084 16599 20724 21126 22132 24178 33198 36267 38731 42252 48356 66396 72534 77462 78971 116193 145068 154924 157942 232386 236913 315884 464772 473826 552797 868681 947652 1105594 1658391 1737362 2211188 2606043 3316782 3474724 5212086 6080767 6633564 10424172 12161534 18242301 24323068 36484602 72969204