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1370025490 = 25137002549
BaseRepresentation
bin101000110101000…
…1110111000010010
310112110221111122211
41101222032320102
510301211303430
6343540222334
745644011261
oct12152167022
93473844584
101370025490
11643386479
1232299a9aa
1318aab5292
14cdd4c5d8
158042372a
hex51a8ee12

1370025490 has 8 divisors (see below), whose sum is σ = 2466045900. Its totient is φ = 548010192.

The previous prime is 1370025487. The next prime is 1370025491. The reversal of 1370025490 is 945200731.

It can be written as a sum of positive squares in 2 ways, for example, as 1319941561 + 50083929 = 36331^2 + 7077^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1370025491) 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, 68501265 + ... + 68501284.

Almost surely, 21370025490 is an apocalyptic number.

1370025490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1370025490 is a deficient number, since it is larger than the sum of its proper divisors (1096020410).

1370025490 is a wasteful number, since it uses less digits than its factorization.

1370025490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137002556.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1370025490 is about 37013.8553787632. The cubic root of 1370025490 is about 1110.6474295671.

The spelling of 1370025490 in words is "one billion, three hundred seventy million, twenty-five thousand, four hundred ninety".

Divisors: 1 2 5 10 137002549 274005098 685012745 1370025490