Search a number
-
+
69620436 = 223212311571
BaseRepresentation
bin1000010011001…
…01001011010100
311212000002021200
410021211023110
5120310323221
610524112500
71503523014
oct411451324
9155002250
1069620436
1136331956
121b395730
1311567b32
149363c44
1561a3426
hex42652d4

69620436 has 36 divisors (see below), whose sum is σ = 176240064. Its totient is φ = 23173200.

The previous prime is 69620407. The next prime is 69620443. The reversal of 69620436 is 63402696.

It is a tau number, because it is divible by the number of its divisors (36).

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 69620436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43531 + ... + 45101.

Almost surely, 269620436 is an apocalyptic number.

It is an amenable number.

69620436 is an abundant number, since it is smaller than the sum of its proper divisors (106619628).

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

69620436 is a wasteful number, since it uses less digits than its factorization.

69620436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 69620436 is about 8343.8861449567. The cubic root of 69620436 is about 411.3822788110.

The spelling of 69620436 in words is "sixty-nine million, six hundred twenty thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 1231 1571 2462 3142 3693 4713 4924 6284 7386 9426 11079 14139 14772 18852 22158 28278 44316 56556 1933901 3867802 5801703 7735604 11603406 17405109 23206812 34810218 69620436