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1370492661 = 32232048569
BaseRepresentation
bin101000110110000…
…0000111011110101
310112111211020111110
41101230000323311
510301321231121
6343554225233
745650665266
oct12154007365
93474736443
101370492661
1164367546a
12322b85219
1318ac19b05
14d003096d
15804b6d76
hex51b00ef5

1370492661 has 8 divisors (see below), whose sum is σ = 1835518720. Its totient is φ = 909564192.

The previous prime is 1370492659. The next prime is 1370492663. The reversal of 1370492661 is 1662940731.

It is an interprime number because it is at equal distance from previous prime (1370492659) and next prime (1370492663).

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

It is not a de Polignac number, because 1370492661 - 21 = 1370492659 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 (1370492663) 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, 1023616 + ... + 1024953.

It is an arithmetic number, because the mean of its divisors is an integer number (229439840).

Almost surely, 21370492661 is an apocalyptic number.

It is an amenable number.

1370492661 is a deficient number, since it is larger than the sum of its proper divisors (465026059).

1370492661 is a wasteful number, since it uses less digits than its factorization.

1370492661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048795.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1370492661 is about 37020.1655993055. The cubic root of 1370492661 is about 1110.7736567332.

The spelling of 1370492661 in words is "one billion, three hundred seventy million, four hundred ninety-two thousand, six hundred sixty-one".

Divisors: 1 3 223 669 2048569 6145707 456830887 1370492661