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1316429740 = 225251262237
BaseRepresentation
bin100111001110111…
…0001111110101100
310101202002120010001
41032131301332230
510144001222430
6334343354044
744423316403
oct11635617654
93352076101
101316429740
116160aa16a
12308a52924
1317c96b312
14c6b9a63a
157a8883ca
hex4e771fac

1316429740 has 24 divisors (see below), whose sum is σ = 2775526992. Its totient is φ = 524472000.

The previous prime is 1316429707. The next prime is 1316429759. The reversal of 1316429740 is 479246131.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1316429740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126099 + ... + 136138.

It is an arithmetic number, because the mean of its divisors is an integer number (115646958).

Almost surely, 21316429740 is an apocalyptic number.

1316429740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316429740 is an abundant number, since it is smaller than the sum of its proper divisors (1459097252).

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

1316429740 is a wasteful number, since it uses less digits than its factorization.

1316429740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262497 (or 262495 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1316429740 is about 36282.6368942501. The cubic root of 1316429740 is about 1095.9714182168.

It can be divided in two parts, 1316 and 429740, that added together give a triangular number (431056 = T928).

The spelling of 1316429740 in words is "one billion, three hundred sixteen million, four hundred twenty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 251 502 1004 1255 2510 5020 262237 524474 1048948 1311185 2622370 5244740 65821487 131642974 263285948 329107435 658214870 1316429740