Search a number
-
+
70691952 = 2431738513
BaseRepresentation
bin1000011011010…
…10110001110000
311221000112010110
410031222301300
5121044120302
611003101320
71515604662
oct415526160
9157015113
1070691952
11369a3a01
121b811840
1311851776
149562532
156315b6c
hex436ac70

70691952 has 40 divisors (see below), whose sum is σ = 183698064. Its totient is φ = 23425024.

The previous prime is 70691927. The next prime is 70691977. The reversal of 70691952 is 25919607.

It is an interprime number because it is at equal distance from previous prime (70691927) and next prime (70691977).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70691952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4048 + ... + 12560.

Almost surely, 270691952 is an apocalyptic number.

It is an amenable number.

70691952 is an abundant number, since it is smaller than the sum of its proper divisors (113006112).

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

70691952 is a wasteful number, since it uses less digits than its factorization.

70691952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697 (or 8691 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 70691952 is about 8407.8506171316. The cubic root of 70691952 is about 413.4820473084.

The spelling of 70691952 in words is "seventy million, six hundred ninety-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 173 346 519 692 1038 1384 2076 2768 4152 8304 8513 17026 25539 34052 51078 68104 102156 136208 204312 408624 1472749 2945498 4418247 5890996 8836494 11781992 17672988 23563984 35345976 70691952