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1354128620 = 225139115717
BaseRepresentation
bin101000010110110…
…0101110011101100
310111101000212020212
41100231211303230
510233124103440
6342211401552
745361621565
oct12055456354
93441025225
101354128620
11635408969
123195b32b8
1318770a650
14cbbb116c
157dd33465
hex50b65cec

1354128620 has 48 divisors (see below), whose sum is σ = 3066311808. Its totient is φ = 499349760.

The previous prime is 1354128599. The next prime is 1354128653. The reversal of 1354128620 is 268214531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234002 + ... + 239718.

It is an arithmetic number, because the mean of its divisors is an integer number (63881496).

Almost surely, 21354128620 is an apocalyptic number.

1354128620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354128620 is an abundant number, since it is smaller than the sum of its proper divisors (1712183188).

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

1354128620 is a wasteful number, since it uses less digits than its factorization.

1354128620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650 (or 6648 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1354128620 is about 36798.4866536655. The cubic root of 1354128620 is about 1106.3349671617.

The spelling of 1354128620 in words is "one billion, three hundred fifty-four million, one hundred twenty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 911 1822 3644 4555 5717 9110 11434 11843 18220 22868 23686 28585 47372 57170 59215 74321 114340 118430 148642 236860 297284 371605 743210 1486420 5208187 10416374 20832748 26040935 52081870 67706431 104163740 135412862 270825724 338532155 677064310 1354128620