Search a number
-
+
78030324 = 22331275689
BaseRepresentation
bin1001010011010…
…10010111110100
312102211100111000
410221222113310
5124433432244
611424243300
71635150441
oct451522764
9172740430
1078030324
1140056379
1222170530
13132209b8
14a5129c8
156cb5169
hex4a6a5f4

78030324 has 48 divisors (see below), whose sum is σ = 203929600. Its totient is φ = 25800768.

The previous prime is 78030319. The next prime is 78030331. The reversal of 78030324 is 42303087.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10872 + ... + 16560.

Almost surely, 278030324 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 78030324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101964800).

78030324 is an abundant number, since it is smaller than the sum of its proper divisors (125899276).

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

78030324 is a wasteful number, since it uses less digits than its factorization.

78030324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829 (or 5821 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 78030324 is about 8833.4774579437. The cubic root of 78030324 is about 427.3212302704.

The spelling of 78030324 in words is "seventy-eight million, thirty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 127 254 381 508 762 1143 1524 2286 3429 4572 5689 6858 11378 13716 17067 22756 34134 51201 68268 102402 153603 204804 307206 614412 722503 1445006 2167509 2890012 4335018 6502527 8670036 13005054 19507581 26010108 39015162 78030324