Search a number
-
+
1055157340 = 225139383991
BaseRepresentation
bin111110111001000…
…110110001011100
32201112110112202111
4332321012301130
54130110013330
6252411403404
735101455316
oct7671066134
92645415674
101055157340
114a1677366
12255453564
1313a7acb73
14a01c87b6
156297932a
hex3ee46c5c

1055157340 has 48 divisors (see below), whose sum is σ = 2239856640. Its totient is φ = 417510720.

The previous prime is 1055157331. The next prime is 1055157359. The reversal of 1055157340 is 437515501.

It is a super-2 number, since 2×10551573402 = 2226714024311751200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064245 + ... + 1065235.

It is an arithmetic number, because the mean of its divisors is an integer number (46663680).

Almost surely, 21055157340 is an apocalyptic number.

1055157340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055157340 is an abundant number, since it is smaller than the sum of its proper divisors (1184699300).

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

1055157340 is a wasteful number, since it uses less digits than its factorization.

1055157340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1055157340 is about 32483.1854964996. The cubic root of 1055157340 is about 1018.0577354250.

The spelling of 1055157340 in words is "one billion, fifty-five million, one hundred fifty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 139 278 383 556 695 766 991 1390 1532 1915 1982 2780 3830 3964 4955 7660 9910 19820 53237 106474 137749 212948 266185 275498 379553 532370 550996 688745 759106 1064740 1377490 1518212 1897765 2754980 3795530 7591060 52757867 105515734 211031468 263789335 527578670 1055157340