Search a number
-
+
70314237 = 3871531
BaseRepresentation
bin1000011000011…
…10100011111101
311220022100000000
410030032203331
5121000023422
610551024513
71512442530
oct414164375
9156270000
1070314237
1136766144
121b66b139
131174b876
1494a4a17
15628dcac
hex430e8fd

70314237 has 36 divisors (see below), whose sum is σ = 120611296. Its totient is φ = 40153320.

The previous prime is 70314229. The next prime is 70314239. The reversal of 70314237 is 73241307.

It is not a de Polignac number, because 70314237 - 23 = 70314229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70314237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70314239) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45162 + ... + 46692.

Almost surely, 270314237 is an apocalyptic number.

It is an amenable number.

70314237 is a deficient number, since it is larger than the sum of its proper divisors (50297059).

70314237 is an frugal number, since it uses more digits than its factorization.

70314237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 70314237 is about 8385.3584896533. The cubic root of 70314237 is about 412.7443048676.

The spelling of 70314237 in words is "seventy million, three hundred fourteen thousand, two hundred thirty-seven".

Divisors: 1 3 7 9 21 27 63 81 189 243 567 729 1531 1701 2187 4593 5103 6561 10717 13779 15309 32151 41337 45927 96453 124011 289359 372033 868077 1116099 2604231 3348297 7812693 10044891 23438079 70314237