Search a number
-
+
72942966 = 23247151571
BaseRepresentation
bin1000101100100…
…00010101110110
312002020212221100
410112100111312
5122133133331
611123230530
71544001465
oct426202566
9162225840
1072942966
11381a1148
1220518446
131215c225
14998a9dc
15660cae6
hex4590576

72942966 has 48 divisors (see below), whose sum is σ = 162759168. Its totient is φ = 23598000.

The previous prime is 72942953. The next prime is 72942979. The reversal of 72942966 is 66924927.

It is an interprime number because it is at equal distance from previous prime (72942953) and next prime (72942979).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127461 + ... + 128031.

It is an arithmetic number, because the mean of its divisors is an integer number (3390816).

Almost surely, 272942966 is an apocalyptic number.

72942966 is an abundant number, since it is smaller than the sum of its proper divisors (89816202).

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

72942966 is a wasteful number, since it uses less digits than its factorization.

72942966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 774 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 72942966 is about 8540.6654307495. The cubic root of 72942966 is about 417.8250490739.

The spelling of 72942966 in words is "seventy-two million, nine hundred forty-two thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 18 47 94 141 151 282 302 423 453 571 846 906 1142 1359 1713 2718 3426 5139 7097 10278 14194 21291 26837 42582 53674 63873 80511 86221 127746 161022 172442 241533 258663 483066 517326 775989 1551978 4052387 8104774 12157161 24314322 36471483 72942966