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1372340550 = 2352721931317
BaseRepresentation
bin101000111001100…
…0100000101000110
310112122022010022210
41101303010011012
510302304344200
6344102004250
746002462600
oct12163040506
93478263283
101372340550
11644717849
12323716686
1318b415c39
14d0392170
158072e650
hex51cc4146

1372340550 has 288 divisors, whose sum is σ = 4315438080. Its totient is φ = 286675200.

The previous prime is 1372340549. The next prime is 1372340551. The reversal of 1372340550 is 550432731.

It is an interprime number because it is at equal distance from previous prime (1372340549) and next prime (1372340551).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372340551) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4328992 + ... + 4329308.

It is an arithmetic number, because the mean of its divisors is an integer number (14984160).

Almost surely, 21372340550 is an apocalyptic number.

1372340550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372340550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157719040).

1372340550 is an abundant number, since it is smaller than the sum of its proper divisors (2943097530).

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

1372340550 is a wasteful number, since it uses less digits than its factorization.

1372340550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 1372340550 is about 37045.1150625828. The cubic root of 1372340550 is about 1111.2726657497.

The spelling of 1372340550 in words is "one billion, three hundred seventy-two million, three hundred forty thousand, five hundred fifty".