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379100772 = 223210530577
BaseRepresentation
bin10110100110001…
…001111001100100
3222102100022111100
4112212021321210
51234022211042
6101341240100
712252206031
oct2646117144
9872308440
10379100772
11184aa1026
12a6b63030
1360704aab
14384c4388
152343624c
hex16989e64

379100772 has 18 divisors (see below), whose sum is σ = 958282598. Its totient is φ = 126366912.

The previous prime is 379100759. The next prime is 379100791. The reversal of 379100772 is 277001973.

379100772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 217149696 + 161951076 = 14736^2 + 12726^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10530577 = 379100772 / (3 + 7 + 9 + 1 + 0 + 0 + 7 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5265253 + ... + 5265324.

Almost surely, 2379100772 is an apocalyptic number.

It is an amenable number.

379100772 is an abundant number, since it is smaller than the sum of its proper divisors (579181826).

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

379100772 is a wasteful number, since it uses less digits than its factorization.

379100772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530587 (or 10530582 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 379100772 is about 19470.5103168869. The cubic root of 379100772 is about 723.7438554428.

The spelling of 379100772 in words is "three hundred seventy-nine million, one hundred thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 10530577 21061154 31591731 42122308 63183462 94775193 126366924 189550386 379100772