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1395707490 = 233519312677
BaseRepresentation
bin101001100110000…
…1100111001100010
310121021021021202000
41103030030321202
510324300114430
6350254504430
746405214022
oct12314147142
93537237660
101395707490
11656927771
1232b505116
13193207a28
14d3515a82
15827e7e60
hex5330ce62

1395707490 has 64 divisors (see below), whose sum is σ = 3725205120. Its totient is φ = 371856960.

The previous prime is 1395707483. The next prime is 1395707503. The reversal of 1395707490 is 947075931.

1395707490 is a `hidden beast` number, since 1 + 3 + 9 + 570 + 74 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520032 + ... + 522708.

It is an arithmetic number, because the mean of its divisors is an integer number (58206330).

Almost surely, 21395707490 is an apocalyptic number.

1395707490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1395707490 is an abundant number, since it is smaller than the sum of its proper divisors (2329497630).

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

1395707490 is a wasteful number, since it uses less digits than its factorization.

1395707490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 1395707490 is about 37359.1687541358. The cubic root of 1395707490 is about 1117.5444421765.

The spelling of 1395707490 in words is "one billion, three hundred ninety-five million, seven hundred seven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1931 2677 3862 5354 5793 8031 9655 11586 13385 16062 17379 19310 24093 26770 28965 34758 40155 48186 52137 57930 72279 80310 86895 104274 120465 144558 173790 240930 260685 361395 521370 722790 5169287 10338574 15507861 25846435 31015722 46523583 51692870 77539305 93047166 139570749 155078610 232617915 279141498 465235830 697853745 1395707490