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157480000 = 265431127
BaseRepresentation
bin10010110001011…
…11010001000000
3101222022210221121
421120233101000
5310303330000
623343202024
73621362236
oct1130572100
9358283847
10157480000
1180991067
12448a6314
132681a742
1416cb4956
15dc5ab1a
hex962f440

157480000 has 140 divisors (see below), whose sum is σ = 406269952. Its totient is φ = 60480000.

The previous prime is 157479989. The next prime is 157480009. The reversal of 157480000 is 84751.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (157480009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1239937 + ... + 1240063.

Almost surely, 2157480000 is an apocalyptic number.

157480000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203134976).

157480000 is an abundant number, since it is smaller than the sum of its proper divisors (248789952).

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

157480000 is an equidigital number, since it uses as much as digits as its factorization.

157480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 157480000 is about 12549.1035536408. The cubic root of 157480000 is about 540.0182892754.

The spelling of 157480000 in words is "one hundred fifty-seven million, four hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 125 127 155 160 200 248 250 254 310 320 400 496 500 508 620 625 635 775 800 992 1000 1016 1240 1250 1270 1550 1600 1984 2000 2032 2480 2500 2540 3100 3175 3875 3937 4000 4064 4960 5000 5080 6200 6350 7750 7874 8000 8128 9920 10000 10160 12400 12700 15500 15748 15875 19375 19685 20000 20320 24800 25400 31000 31496 31750 38750 39370 40000 40640 49600 50800 62000 62992 63500 77500 78740 79375 98425 101600 124000 125984 127000 155000 157480 158750 196850 203200 248000 251968 254000 310000 314960 317500 393700 492125 508000 620000 629920 635000 787400 984250 1016000 1240000 1259840 1270000 1574800 1968500 2460625 2540000 3149600 3937000 4921250 5080000 6299200 7874000 9842500 15748000 19685000 31496000 39370000 78740000 157480000