Search a number
-
+
93722144 = 252928817
BaseRepresentation
bin1011001011000…
…01011000100000
320112100120121112
411211201120200
5142443102034
613144442452
72215424255
oct545413040
9215316545
1093722144
11489a391a
1227479428
13165561b9
14c63942c
1583647ce
hex5961620

93722144 has 12 divisors (see below), whose sum is σ = 184515534. Its totient is φ = 46861056.

The previous prime is 93722141. The next prime is 93722219. The reversal of 93722144 is 44122739.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 44890000 = 6988^2 + 6700^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2928817 = 93722144 / (9 + 3 + 7 + 2 + 2 + 1 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 93722144.

It is not an unprimeable number, because it can be changed into a prime (93722141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464377 + ... + 1464440.

Almost surely, 293722144 is an apocalyptic number.

It is an amenable number.

93722144 is a deficient number, since it is larger than the sum of its proper divisors (90793390).

93722144 is a wasteful number, since it uses less digits than its factorization.

93722144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928827 (or 2928819 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 93722144 is about 9681.0197809941. The cubic root of 93722144 is about 454.2351502299.

The spelling of 93722144 in words is "ninety-three million, seven hundred twenty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 2928817 5857634 11715268 23430536 46861072 93722144