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742157000 = 23531357089
BaseRepresentation
bin101100001111000…
…110101011001000
31220201111111000022
4230033012223020
53004443011000
6201351000012
724251142014
oct5417065310
91821444008
10742157000
11350a235a2
12188669008
13ba9ac970
14707cd544
154524d585
hex2c3c6ac8

742157000 has 64 divisors (see below), whose sum is σ = 1870268400. Its totient is φ = 274022400.

The previous prime is 742156999. The next prime is 742157011. The reversal of 742157000 is 751247.

It can be written as a sum of positive squares in 8 ways, for example, as 2208196 + 739948804 = 1486^2 + 27202^2 .

It is a super-3 number, since 3×7421570003 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 15545 + ... + 41544.

Almost surely, 2742157000 is an apocalyptic number.

It is an amenable number.

742157000 is an abundant number, since it is smaller than the sum of its proper divisors (1128111400).

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

742157000 is a wasteful number, since it uses less digits than its factorization.

742157000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57123 (or 57109 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 742157000 is about 27242.5586169875. The cubic root of 742157000 is about 905.3821529433.

The spelling of 742157000 in words is "seven hundred forty-two million, one hundred fifty-seven thousand".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 125 130 200 250 260 325 500 520 650 1000 1300 1625 2600 3250 6500 13000 57089 114178 228356 285445 456712 570890 742157 1141780 1427225 1484314 2283560 2854450 2968628 3710785 5708900 5937256 7136125 7421570 11417800 14272250 14843140 18553925 28544500 29686280 37107850 57089000 74215700 92769625 148431400 185539250 371078500 742157000