Search a number
-
+
372980641 = 1133907331
BaseRepresentation
bin10110001110110…
…011101110100001
3221222211101020211
4112032303232201
51230440340031
6101002134121
712146166055
oct2616635641
9858741224
10372980641
111815a0970
12a4ab1341
135c371207
143776dc65
1522b27bb1
hex163b3ba1

372980641 has 4 divisors (see below), whose sum is σ = 406887984. Its totient is φ = 339073300.

The previous prime is 372980599. The next prime is 372980651. The reversal of 372980641 is 146089273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 372980641 - 29 = 372980129 is a prime.

It is a super-2 number, since 2×3729806412 = 278229117121541762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 372980594 and 372980603.

It is not an unprimeable number, because it can be changed into a prime (372980651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16953655 + ... + 16953676.

It is an arithmetic number, because the mean of its divisors is an integer number (101721996).

Almost surely, 2372980641 is an apocalyptic number.

It is an amenable number.

372980641 is a deficient number, since it is larger than the sum of its proper divisors (33907343).

372980641 is a wasteful number, since it uses less digits than its factorization.

372980641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33907342.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 372980641 is about 19312.7067238127. The cubic root of 372980641 is about 719.8280459991.

The spelling of 372980641 in words is "three hundred seventy-two million, nine hundred eighty thousand, six hundred forty-one".

Divisors: 1 11 33907331 372980641