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37420045 = 513575693
BaseRepresentation
bin1000111010111…
…1110000001101
32121102010122121
42032233300031
534034420140
63414012541
7633031225
oct216576015
977363577
1037420045
111a139263
1210647151
1379a2450
144d81085
15344264a
hex23afc0d

37420045 has 8 divisors (see below), whose sum is σ = 48358296. Its totient is φ = 27633216.

The previous prime is 37420021. The next prime is 37420049. The reversal of 37420045 is 54002473.

It can be written as a sum of positive squares in 4 ways, for example, as 769129 + 36650916 = 877^2 + 6054^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 37420045 - 27 = 37419917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37420049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287782 + ... + 287911.

It is an arithmetic number, because the mean of its divisors is an integer number (6044787).

Almost surely, 237420045 is an apocalyptic number.

It is an amenable number.

37420045 is a deficient number, since it is larger than the sum of its proper divisors (10938251).

37420045 is a wasteful number, since it uses less digits than its factorization.

37420045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575711.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 37420045 is about 6117.1925750298. The cubic root of 37420045 is about 334.4784190539.

The spelling of 37420045 in words is "thirty-seven million, four hundred twenty thousand, forty-five".

Divisors: 1 5 13 65 575693 2878465 7484009 37420045