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72254196 = 22327299887
BaseRepresentation
bin1000100111010…
…00001011110100
312000221220010100
410103220023310
5121444113241
611100354100
71535102430
oct423501364
9160856110
1072254196
1137870713
1220245930
1311c7a881
14984b9c0
1565239b6
hex44e82f4

72254196 has 72 divisors (see below), whose sum is σ = 215953920. Its totient is φ = 19930176.

The previous prime is 72254183. The next prime is 72254197. The reversal of 72254196 is 69145227.

72254196 is a `hidden beast` number, since 7 + 22 + 541 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 72254196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72254197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2365 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (2999360).

Almost surely, 272254196 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 72254196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107976960).

72254196 is an abundant number, since it is smaller than the sum of its proper divisors (143699724).

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

72254196 is a wasteful number, since it uses less digits than its factorization.

72254196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933 (or 9928 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 72254196 is about 8500.2468199459. The cubic root of 72254196 is about 416.5057719767.

The spelling of 72254196 in words is "seventy-two million, two hundred fifty-four thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 58 63 84 87 116 126 174 203 252 261 348 406 522 609 812 1044 1218 1827 2436 3654 7308 9887 19774 29661 39548 59322 69209 88983 118644 138418 177966 207627 276836 286723 355932 415254 573446 622881 830508 860169 1146892 1245762 1720338 2007061 2491524 2580507 3440676 4014122 5161014 6021183 8028244 10322028 12042366 18063549 24084732 36127098 72254196